Ushuaia Weather 2026 | Temperature, Snow, and When to Go Skiing

Ushuaia Climate 2026 — Temperature, Snow, and When to Go Skiing

The climate of Ushuaia is one of the most extreme and variable in the world: cold, windy, and subject to sudden changes at any time of year. The world's southernmost city has a sub-Antarctic oceanic climate, with cool summers and cold winters with abundant snow. For skiers, the Southern Hemisphere winter (June–October) is the best time to visit Ushuaia and enjoy Cerro Castor and Alto del Padre.

🌡️ Ushuaia Temperature by Month — 2026

Winter (June – August) — Ski Season

• June: high 3 °C / low -3 °C | Start of the ski season | Frequent snow
• July: high 2 °C / low -4 °C | Best month for skiing | Highest snowfall accumulation | Shortest days (7 hours of daylight)
• August: high 4 °C / low -3 °C | Excellent snow conditions | More daylight hours than in July

Snowy spring (September – October) — End of Season

• September: high 7 °C / low -1 °C | Snow possible | Slopes open | More daylight hours
• October: high 10 °C / low 2 °C | End of the season | Snow varies from year to year

Southern summer (November – March)

• December – February: high 14 °C / low 5 °C | Peak tourist season | No snow in the city | Very long days (up to 17 hours of daylight)

Southern autumn (March – May)

• April – May: high 8 °C / low 1 °C | Lenga forest colors | First snowfall possible in May

☃️ When It Snows in Ushuaia — Snow at Cerro Castor

Snow falls in Ushuaia mainly between May and September, with the highest snowfall in July and August. In the city (at sea level), snow is frequent but does not always accumulate; in contrast, at Cerro Castor (195–1,057 m) and Alto del Padre, accumulation is consistent throughout the season.

• First snow in the city: May (sometimes April)
• Peak snowfall accumulation at Cerro Castor: July – August
• Snow type: dry and powdery at higher elevations, heavier at the base due to ocean humidity
• Patagonian wind: can lower the wind chill to -15 °C or -20 °C at higher elevations

💨 Windguru Ushuaia — Wind and Forecast

The Patagonian wind is the most important factor in Ushuaia's weather. It can close the lifts at higher elevations even when snow conditions are good. Before heading up to Cerro Castor or Alto del Padre, always check:

• Windguru Ushuaia: hourly wind and elevation forecast
• Ushuaia SMN Forecast: Argentina's National Meteorological Service
• Cerro Castor social media: provides real-time updates on the status of lifts and slopes

Golden rule: if the wind exceeds 60 km/h at higher elevations, the upper lifts are likely to close. The base lifts usually remain open.

🧥 What to Wear in Ushuaia in Winter

The Ushuaia winter weather requires high-quality technical clothing. The combination of extreme cold, Patagonian wind, and ocean humidity means that inadequate clothing can be a serious problem on the slopes.

For skiing at Cerro Castor or Alto del Padre

• 🧥 Waterproof, insulated jacket: essential, windproof, with a hood
• 🧥 Waterproof thermal pants: with reinforced knees and seat
• 🧥 Thermal base layer: merino wool or synthetic, never cotton
• 🧥 Helmet: mandatory for minors, highly recommended for adults
• 🧥 Goggles: UV protection and anti-fogging, essential on windy and snowy days
• 🧥 Waterproof gloves: double-layered if possible
• 🧥 Après-ski boots: for walking around the base area and downtown Ushuaia

📅 When to Go Skiing in Ushuaia — Month-by-Month Comparison

🥇 July — The Best Month

Greater snow accumulation and better conditions at Cerro Castor. Peak season means more people and higher prices, but the experience is optimal. Book well in advance.

🥈 August — Excellent Alternative

Very good snow conditions and more hours of daylight than in July. It is still peak season, but with somewhat fewer crowds than in July.

🥉 June — Start of Season

Fewer people and lower prices, but snow conditions can be variable at the beginning of the season. Ideal for flexible travelers looking to avoid crowds.

September — End of Season

Slopes open with more hours of daylight. Snow can be heavier and conditions more variable. Lower prices than during peak season.

✅ Frequently Asked Questions — Ushuaia Weather

What is the temperature in Ushuaia in July?
In July, temperatures in Ushuaia range from -4 °C to 2 °C in the city. At Cerro Castor (higher elevations), temperatures can drop below -10 °C with Patagonian wind. It is the month with the greatest snow accumulation and the best month for skiing.

When does it snow in Ushuaia?
It snows in Ushuaia mainly between May and September. The months with the greatest accumulation are July and August. Snow is frequent in the city but does not always accumulate; at Cerro Castor, accumulation is consistent throughout the season.

What is Ushuaia's winter weather like?
Ushuaia's winter weather is cold and windy, with temperatures between -4 °C and 4 °C in the city. The Patagonian wind can lower the wind chill to -15 °C or below. It is essential to bring high-quality thermal and waterproof clothing.

What is the temperature in Ushuaia in winter?
In winter (June–August), Ushuaia temperatures range from -4 °C to 4 °C (25°F to 39°F) in the city. At Cerro Castor ski resort (up to 1,057 m), temperatures can drop below -10 °C (14°F) with Patagonian wind chill. Waterproof and thermal ski gear is essential.

When is the best time to go skiing in Ushuaia?
July and August are the best months for skiing in Ushuaia. July has the greatest snow accumulation at Cerro Castor and Alto del Padre. June is a good alternative for avoiding crowds and finding lower prices.

Is Ushuaia very cold in winter?
Yes. Ushuaia is the southernmost city in the world, and winter cold is intense, especially with the Patagonian wind. The wind chill can drop below -15 °C on the slopes of Cerro Castor. It is essential to bring high-quality thermal and waterproof clothing or rent it in Ushuaia from CaranvaSports.